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All results from a given calculation for HFCO (formyl fluoride)

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-46.348396
Energy at 298.15K-46.349631
Nuclear repulsion energy35.750821
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/CEP-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3153 3054 30.12      
2 A' 1745 1689 237.93      
3 A' 1337 1295 1.02      
4 A' 973 942 235.53      
5 A' 598 579 21.65      
6 A" 972 941 2.87      

Unscaled Zero Point Vibrational Energy (zpe) 4388.5 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 4249.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/CEP-31G
ABC
2.82635 0.36104 0.32014

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.426 0.000
O2 1.187 0.154 0.000
F3 -1.001 -0.578 0.000
H4 -0.488 1.412 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 H4
C11.21801.41751.1010
O21.21802.30782.0953
F31.41752.30782.0554
H41.10102.09532.0554

picture of formyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 F3 122.069 O2 C1 H4 129.186
F3 C1 H4 108.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.030      
2 O -0.029      
3 F -0.165      
4 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.231 2.306 0.000 2.614
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.298 -1.735 0.000
y -1.735 -14.709 0.000
z 0.000 0.000 -15.394
Traceless
 xyz
x -5.247 -1.735 0.000
y -1.735 3.137 0.000
z 0.000 0.000 2.110
Polar
3z2-r24.220
x2-y2-5.590
xy-1.735
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.897 0.106 0.000
y 0.106 1.793 0.000
z 0.000 0.000 1.135


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000